The theory of evolution runs through the whole life of science system. It is the foundation of all the biology branch courses.
进化理论贯穿于整个生命科学体系，是生物学一切分支学科的基础。
2
Based on reliability theory, the calculation formula of specified life of linear rolling guide system is deduced. The result is of important engineering value.
根据可靠性原理，导出了滚动直线导轨系统额定寿命的计算方法，具有重要的工程应用价值。
3
Firstly, the quality of human life being is most abstract, simple and fundamental in the theorysystem of medical philosophy.